@misc{indiciae2ed14e07cb62,
  title = {Neutral and ionized polycyclic aromatic hydrocarbons, diffuse interstellar bands and the ultraviolet extinction curve},
  author = {Salama, Farid and Allamandola, Louis John},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19950028537},
  note = {Source identifier: 19950028537}
}